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Nano ceramic powder reinforced aluminum-magnesium alloy material for automobile electronic packaging and preparation method of nano ceramic powder reinforced antistatic aluminum-magnesium alloy material

A nano-ceramic powder, automotive electronics technology, applied in the field of electronic packaging materials, can solve the problems of alloy material strength, plasticity reduction, unsatisfactory dispersion of nano-scale materials in alloys, limited application range, etc., to achieve enhanced strength and Good toughness, good plasticity, and the effect of improving scratch resistance

Inactive Publication Date: 2016-12-07
BENGBU TIMES ELECTRONICS
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Problems solved by technology

The article "Preparation of Diamond / Al-Cu-based Composite Materials by Vacuum Hot Pressing Sintering Method" uses vacuum hot pressing sintering to improve the adverse reaction of the interface between diamond and aluminum, and at the same time adds Cu powder to improve the performance. This method uses micron-sized diamonds Powder, although a composite material with high thermal conductivity has been obtained, the strength and plasticity of the alloy material are reduced to a certain extent, and the scope of use is limited. Nano-scale inorganic materials have outstanding advantages in improving alloy properties, but nano-scale materials Dispersion in alloys is not satisfactory

Method used

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Embodiment Construction

[0015] A nano-ceramic powder reinforced aluminum-magnesium alloy material for automotive electronic packaging, the alloy material is made of the following raw materials in parts by weight: 4% magnesium, 2% copper, 1% manganese, 0.5% zinc, 40% nano-ceramic powder sol, Pore-forming agent 1%, absolute ethanol 0.5, and the balance is aluminum.

[0016] Among them, the nano-ceramic powder sol is prepared by the following method: put dodecyltrimethylammonium bromide into absolute ethanol, stir until it is completely dissolved, then put in nano-ceramic powder, disperse for 5 hours by ultrasonic oscillation, and obtain; The weight ratio of ceramic powder, absolute ethanol and dodecyltrimethylammonium bromide is 1:5:0.1.

[0017] The pore forming agent used is spherical urea.

[0018] The preparation method of the alloy material comprises the following steps:

[0019] (1) First mix aluminum, magnesium, copper, manganese, zinc, pore-forming agent, and absolute ethanol, and mix the pow...

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Abstract

The invention discloses a nano ceramic powder reinforced aluminum-magnesium alloy material for automobile electronic packaging. The alloy material is prepared from, by weight, 4%-5% of magnesium, 2%-3% of copper, 1%-2% of manganese, 0.5%-1% of zinc, 40%-60% of nano ceramic powder sol, 1%-2% of a pore-forming agent, 0.5%-1% of absolute ethyl alcohol, and the balance aluminum.

Description

technical field [0001] The invention relates to the technical field of electronic packaging materials, in particular to a nano-ceramic powder-reinforced aluminum-magnesium alloy material for automotive electronic packaging and a preparation method thereof. Background technique [0002] Automotive electronics is the general term for automotive electronic control devices and on-board automotive electronic devices. Automotive electronics occupy a vital position in automotive technology and are the most important technical measures for developing new models and improving automotive performance. Due to the extreme operating temperature range, strong mechanical vibration, and many stains inside the car, to ensure that the performance of automotive electronic products will not be disturbed, it is necessary to do a good job in product packaging and select good packaging materials to achieve a better industry. Low cost, stronger functions, higher reliability and other technological d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C32/00C22C1/05
CPCB22F2998/10B22F2999/00C22C1/05C22C21/00C22C32/00B22F3/02B22F3/14B22F3/26B22F3/1121B22F2201/20
Inventor 朱兴堂朱亮亮陈军彦
Owner BENGBU TIMES ELECTRONICS
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